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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Pan American Materials Congress: Minerals Extraction and Processing
Presentation Title Dissolution Thermodynamics of Smithsonite in Alkaline Iminodiacetate Aqueous Solution
Author(s) Dou Aichun, Yu Lei
On-Site Speaker (Planned) Yu Lei
Abstract Scope The thermodynamic model of the dissolution of smithsonite (ZnCO3) in alkaline iminodiacetate aqueous solution (Ida2--H2O system) was constructed according to the thermodynamic equilibrium equations in the system. Thermodynamic results of total concentration of Zn2+ ([Zn2+]T), free concentration of Zn2+ ([Zn2+]), free concentration of Ida2- ([Ida2-]), free concentration of CO32- ([CO32-]), species distribution of Zn2+ and species distribution of Ida2- changed with total concentration of Ida2- ([Ida2-]T) and pH value were investigated respectively at 298K. It is found that both [Ida2-]T and pH have significant effects on [Zn2+]T. [Zn2+]T increases in line with the increase of [Ida2-]T under the certain pH value. The optimal pH area for the dissolution of ZnCO3 in Ida2--H2O system is pH 8~11. In this area, [Ida2-]T increases smoothly with the increase of pH, above 90% of Ida2- is used for the formation of Zn(Ida)22-, and above 99% of Zn2+ is formed as Zn(Ida)22-.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Biotechnological Recycling of Precious Metals Sourced from Post-consumer Products
Comparative Study of Gas Reduction of Pure Zinc Ferrite and Zinc Ferrite Contained into Electric Arc Furnace Dusts
Dissolution Thermodynamics of Smithsonite in Alkaline Iminodiacetate Aqueous Solution
Extraction of Gold from Sands and Slimes Tailings Dump from Mazowe Mine, Zimbabwe
Gold Recovery from Waste Solutions of PCB Gold Plating Process using Hydro Cyclone Reactor for Demonstration Study
Investigating the Dissolution Characteristics of Strontium Sulfide
Leaching of Spent Ni-Mo Hydrodesulphurization (HDS) Catalyst in Oxalic Acid Solutions
Novel Adsorbent from Iron Ore Concentration Tailings for Toxic Cationic Dye Removal from Water
PAN-42: Biotechnologies for Water Recycling in the Mineral Industry
PAN-43: Effect of Ethylenediamine on Smithsonite Flotation
PAN-44: Electrochemical Preparation of Ti5Si3/TiC Composite from Titanium-rich Slag in Molten CaCl2
PAN-45: Kinetic Study on the Leaching of Vanadium-bearing Converter Slag with Dilute Sulfuric Acid
PAN-46: Leaching of Celestite Concentrate in Hcl Media with BACl2-NACl Addition
PAN-47: Mechanical Activation Strengthen the Leaching of Oxide-sulphide Zinc Ore
PAN-48: Production of Strontianite from Celestite Ore in Carbonate Media
PAN-49: Recovery of Zinc from Oxide–sulfide Zinc Ore through Oxidation and Chelation
PAN-50: The Direct Leaching of Micro-disseminated Gold Concentrate by Bromide Process and the Characterization of Leaching Products
Preliminary Analysis of the Application of Sensor Based Sorting on a Limestone Mine in the Region Cašapava do Sul, Brazil
Preparation Conditions and Performance of Nano/Amorphous Hybrid Oxide Coated Titanium Anode for Oxygen Evolution in Electrowinning
Preparation of High Grade Industrial Copper Compound from a Nigerian Malachite Mineral by Hydrometallurgical Process
Pressure Leaching of Hemimorphite in Ammonium Chloride Solution
Process of Improving the Flotation Using Ultrasonic Bombardment
Reduction Kinetics and Characterization Study of Synthetic Magnetite Micro Fines
Removal of Heavy Metals from Water with Nano-Sheet Molybdenite as Adsorbent
Study on Leaching Valuable Elements from Bayan Obo Tailings
Synthesis of AgCN Nanowire Membranes in Aqueous Solutions from Silver Dicyanide Ions
The Compact Flowsheet for Ore Comminution and Processing
Working Experience with the New WOX Plant to Treat Zinc Waelzoxide at ZGH Boleslaw SA, Poland

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